Wind turbine



FIG. 1 is a rear view of the wind turbine;

FIG. 2 is a right side view of the wind turbine;

FIG. 3 is a front view of the wind turbine;

FIG. 4 is a left side view the wind turbine;

FIG. 5 is a top view of the wind turbine;

FIG. 6 is a bottom view of the wind turbine;

FIG. 7 is a top rear right perspective view of the wind turbine; and,

FIG. 8 is a top front left perspective view of the wind turbine.

The portions shown in broken lines are for illustrative purposes only, and form no part of the claimed design. 

The ornamental design for a wind turbine, as shown and described. 